IT1179385B - Otturatore per sorgente di radiazione di grande superficie, in particolare per fari di segnalazione - Google Patents

Otturatore per sorgente di radiazione di grande superficie, in particolare per fari di segnalazione

Info

Publication number
IT1179385B
IT1179385B IT48506/84A IT4850684A IT1179385B IT 1179385 B IT1179385 B IT 1179385B IT 48506/84 A IT48506/84 A IT 48506/84A IT 4850684 A IT4850684 A IT 4850684A IT 1179385 B IT1179385 B IT 1179385B
Authority
IT
Italy
Prior art keywords
shutter
radiation source
large surface
surface radiation
signaling lights
Prior art date
Application number
IT48506/84A
Other languages
English (en)
Other versions
IT8448506A0 (it
IT8448506A1 (it
Inventor
George W Lecompte
Original Assignee
Hughes Aircraft Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IT8448506A0 publication Critical patent/IT8448506A0/it
Publication of IT8448506A1 publication Critical patent/IT8448506A1/it
Application granted granted Critical
Publication of IT1179385B publication Critical patent/IT1179385B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT48506/84A 1983-07-06 1984-07-04 Otturatore per sorgente di radiazione di grande superficie, in particolare per fari di segnalazione IT1179385B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/514,212 US4595258A (en) 1983-07-06 1983-07-06 Shutter for radiation source of extended area

Publications (3)

Publication Number Publication Date
IT8448506A0 IT8448506A0 (it) 1984-07-04
IT8448506A1 IT8448506A1 (it) 1986-01-04
IT1179385B true IT1179385B (it) 1987-09-16

Family

ID=24046249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48506/84A IT1179385B (it) 1983-07-06 1984-07-04 Otturatore per sorgente di radiazione di grande superficie, in particolare per fari di segnalazione

Country Status (9)

Country Link
US (1) US4595258A (it)
EP (1) EP0148945B1 (it)
JP (1) JPS60501779A (it)
CA (1) CA1227682A (it)
DE (1) DE3473057D1 (it)
EG (1) EG16673A (it)
IL (1) IL72016A (it)
IT (1) IT1179385B (it)
WO (1) WO1985000434A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605226A1 (de) * 1986-02-19 1987-08-27 Daume & Jordan Gmbh & Co Kg Blendungsfreie leuchte mit streifenfoermigem abblendreflektor
US5030837A (en) * 1989-09-13 1991-07-09 Hughes Aircraft Company Thermal beacon assembly
FR2657147B1 (fr) * 1990-01-17 1992-12-04 Manade Sa Dispositif d'eclairage, du type lampe de bureau, a ampoule fluorescente compacte.
US5870643A (en) * 1995-12-28 1999-02-09 Eastman Kodak Company Single-use flash cameras with reflector or siren

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801010A (en) * 1930-02-17 1931-04-14 Koenig Harry Mitchell Adjustable-lamp shade
GB573900A (en) * 1941-08-25 1945-12-12 Harold Sefton Molyneux Ffennel Improvements in or relating to signalling systems
JPS4940785A (it) * 1972-08-22 1974-04-16
GB1464001A (en) * 1973-03-07 1977-02-09 Buchert C Data display panels
US3881810A (en) * 1973-11-12 1975-05-06 Sanders Associates Inc Large field light modulator

Also Published As

Publication number Publication date
EP0148945B1 (en) 1988-07-27
JPS60501779A (ja) 1985-10-17
IT8448506A0 (it) 1984-07-04
WO1985000434A1 (en) 1985-01-31
CA1227682A (en) 1987-10-06
EP0148945A1 (en) 1985-07-24
IL72016A (en) 1986-12-31
DE3473057D1 (en) 1988-09-01
EG16673A (en) 1993-02-28
IT8448506A1 (it) 1986-01-04
US4595258A (en) 1986-06-17

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